2031130111013 has 2 divisors, whose sum is σ = 2031130111014. Its totient is φ = 2031130111012.

The previous prime is 2031130111009. The next prime is 2031130111037. The reversal of 2031130111013 is 3101110311302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1203843451204 + 827286659809 = 1097198^2 + 909553^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031130111013 - 2² = 2031130111009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2031130110982 and 2031130111000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2031130111313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015565055506 + 1015565055507.

It is an arithmetic number, because the mean of its divisors is an integer number (1015565055507).

Almost surely, 2^{2031130111013} is an apocalyptic number.

It is an amenable number.

2031130111013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031130111013 is an equidigital number, since it uses as much as digits as its factorization.

2031130111013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 2031130111013 its reverse (3101110311302), we get a palindrome (5132240422315).

The spelling of 2031130111013 in words is "two trillion, thirty-one billion, one hundred thirty million, one hundred eleven thousand, thirteen".